Finding the Fourth Proportional to 5,219,656.20, 7,203,109.98 and 2,896,898.58
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Solution
The fourth proportional to 5,219,656.20, 7,203,109.98 and 2,896,898.58 is: 3,997,711.40
Step by Step Solution
- Step 1: Write the proportion equation
5,219,656.20 : 7,203,109.98 = 2,896,898.58 : x - Step 2: Convert to fraction form
5,219,656.20/7,203,109.98 = 2,896,898.58/x - Step 3: Cross multiply
5,219,656.20x = 7,203,109.98 × 2,896,898.58 - Step 4: Simplify right side
5,219,656.20x = 20,866,679,083,509.20 - Step 5: Solve for x
x = 20,866,679,083,509.20/5,219,656.20 - Step 6: Final answer
x = 3,997,711.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.